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    • 1. 发明授权
    • Method of testing optical information medium
    • 光信息媒体测试方法
    • US07484400B2
    • 2009-02-03
    • US10547787
    • 2004-03-04
    • Naoki HayashidaTatsuya KatoKazushi Tanaka
    • Naoki HayashidaTatsuya KatoKazushi Tanaka
    • G01N3/56B32B3/02
    • G11B23/0021G11B7/268Y10T428/21
    • A testing method capable of quantifying abrasion resistance on the translucent base surface of a high-recording-density optical information medium simply and in a form of reflecting an actual application environment, and judging criteria appropriate for the testing method. When an evaluation test in terms of abrasion resistance on a laser beam incident-side surface is conducted on an optical information medium to and/or from which recording and/or reproducing is made by a laser beam shone into an information recording layer from a translucent base side, and which has the focused radius R, of a recording/reproducing laser beam on the translucent base surface, of 40-400 μm, defined by the following expression (1) R=2T tan [sin−1 (NA/n)](1) (in the expression, T is the thickness (μm) of the translucent base, NA numerical aperture of an object lens in the recording/reproducing device, and n refractive index of the translucent base), the abrasion resistance on a laser beam incident-side surface is evaluated based on the error amount of a reproduction signal after a laser beam incident-side surface is abraded by an abrasion wheel specified in ISO9352.
    • 能够简单地以反映实际应用环境的形式来量化高记录密度光学信息介质的半透明基面上的耐磨性的测试方法,以及适用于测试方法的判断标准。 当在激光束入射侧表面上的耐磨性的评价试验在由光学信息介质进行和/或从哪个记录和/或再现由激光束照射到信息记录层中的半透明 (1)定义的40-400μm的记录/再现激光束的焦点半径R,由下式(1)定义:R = 2T tan [sin-1(NA / n )](1)(在表达式中,T是半透明基底的厚度(母体),记录/再现装置中的物镜的NA数值孔径,以及半透明基底的n折射率),耐磨损性 基于由ISO9352中规定的磨轮磨损激光束入射侧表面之后的再生信号的误差量来评价激光束入射侧面。
    • 2. 发明申请
    • Method of testing optical information medium
    • 光信息媒体测试方法
    • US20060182925A1
    • 2006-08-17
    • US10547787
    • 2004-03-04
    • Naoki HayashidaTatsuya KatoKazushi Tanaka
    • Naoki HayashidaTatsuya KatoKazushi Tanaka
    • B32B3/02
    • G11B23/0021G11B7/268Y10T428/21
    • A testing method capable of quantifying abrasion resistance on the translucent base surface of a high-recording-density optical information medium simply and in a form of reflecting an actual application environment, and judging criteria appropriate for the testing method. When an evaluation test in terms of abrasion resistance on a laser beam incident-side surface is conducted on an optical information medium to and/or from which recording and/or reproducing is made by a laser beam shone into an information recording layer from a translucent base side, and which has the focused radius R, of a recording/reproducing laser beam on the translucent base surface, of 40-400 μm, defined by the following expression (1) R=2T tan [sin−1 (NA/n)](1) (in the expression, T is the thickness (μm) of the translucent base, NA numerical aperture of an object lens in the recording/reproducing device, and n refractive index of the translucent base), the abrasion resistance on a laser beam incident-side surface is evaluated based on the error amount of a reproduction signal after a laser beam incident-side surface is abraded by an abrasion wheel specified in ISO9352.
    • 能够简单地以反映实际应用环境的形式来量化高记录密度光学信息介质的半透明基面上的耐磨性的测试方法,以及适用于测试方法的判断标准。 当在激光束入射侧表面上的耐磨性的评价试验在由光学信息介质进行和/或从哪个记录和/或再现由激光束照射到信息记录层中的半透明 基底侧,并且在半透明基面上具有记录/再现激光束的聚焦半径R为40-400μm,由以下表达式(1)定义:R = 2T tan [sin < / SUP>(NA / n)](1)(在表达式中,T是半透明基底的厚度(母体),记录/再现装置中的物镜的NA数值孔径,以及半透明的n个折射率 基于激光束入射侧表面的耐磨性,根据由ISO9352规定的磨轮磨损激光束入射侧面后的再现信号的误差量来评价。
    • 3. 发明授权
    • Hologram recording material and hologram recording medium
    • 全息记录材料和全息记录介质
    • US08535852B2
    • 2013-09-17
    • US13107281
    • 2011-05-13
    • Naoki HayashidaKazushi TanakaJiro Yoshinari
    • Naoki HayashidaKazushi TanakaJiro Yoshinari
    • G03H1/02
    • G03F7/001G03F7/027
    • The present invention provides a hologram recording material and a hologram recording medium that can stably maintain the shape of a recording layer and achieve high diffraction efficiency. A hologram recording material comprising a photoradical polymerizable compound (A), a photopolymerization initiator (B), and a dispersion medium (C). The medium (C) is selected from the group consisting of: a compound of the formula (I): wherein R11 is a divalent C2-4 hydrocarbon group, R12 and R13 each independently represent a C1-10 hydrocarbon group, k, l, m and n are each independently a number of 0 or more and 5 or less; and a compound of the formula (II): wherein R21 represents a divalent C1-6 hydrocarbon group, R22 and R23 each independently represent a C1-12 hydrocarbon group, and at least one of R22 and R23 represents a C5-12 hydrocarbon group.
    • 本发明提供一种可以稳定地保持记录层的形状并实现高衍射效率的全息记录材料和全息记录介质。 包含光自由基聚合性化合物(A),光聚合引发剂(B)和分散介质(C)的全息记录材料。 介质(C)选自:式(I)化合物:其中R 11是二价C 2-4烃基,R 12和R 13各自独立地表示C 1-10烃基,k,l, m和n各自独立地为0以上且5以下的数; 和式(II)的化合物:其中R21表示二价C1-6烃基,R22和R23各自独立地表示C1-12烃基,R22和R23中的至少一个表示C5-12烃基。
    • 7. 发明授权
    • Article with composite hard coat layer and method for forming composite hard coat layer
    • 复合硬涂层和复合硬涂层形成方法
    • US07235292B2
    • 2007-06-26
    • US10503130
    • 2003-02-17
    • Naoki HayashidaKazushi Tanaka
    • Naoki HayashidaKazushi Tanaka
    • B32B27/06B32B27/16B32B27/26C08J7/18
    • G02B1/14B05D3/067G02B1/10G02B1/18G02B5/3041Y10T428/265Y10T428/31504Y10T428/31511Y10T428/31515Y10T428/3154Y10T428/31663Y10T428/31855
    • The present invention provides inexpensively an article with a hard coat excellent in anti-staining property, lubricity, scratch resistance and abrasion resistance. The present invention also provides a method for forming the hard coat. A hard coat agent composition comprising a cationic polymerization curing compound is applied onto a surface of an article (1) to be hard-coat-treated, thereby forming a hard coat agent composition layer, a surface material layer is formed by film-forming with a surface layer material comprising a cationic polymerization curing compound having anti-staining property and/or lubricating property on a surface of the hard coat agent composition layer, and active energy rays are irradiated onto the formed hard coat agent composition layer and surface material layer, or the both layers are heated so as to cure the both layers simultaneously, thereby forming a hard coat layer (2) contacting the surface of the article (1) and an anti-staining surface layer (3) contacting the surface of the hard coat layer (2).
    • 本发明廉价地提供具有抗污染性,润滑性,耐擦伤性和耐磨性优异的硬涂层的制品。 本发明还提供了形成硬涂层的方法。 将包含阳离子聚合固化化合物的硬涂层剂组合物施加到待硬涂层处理的制品(1)的表面上,形成硬涂层组合物层,通过成膜形成表面材料层, 包含在硬涂层组合物层的表面具有抗污染性和/或润滑性的阳离子聚合固化化合物和活性能量射线的表层材料照射到所形成的硬涂层组合物层和表面材料层上, 或者两层被加热以同时固化两层,从而形成与制品(1)的表面接触的硬涂层(2)和与硬涂层的表面接触的抗染色表面层(3) 层(2)。
    • 9. 发明授权
    • Fluorine-containing acetophenone derivative, surface layer material containing the same as photo initiator, article with composite hard coat layer, and method for forming composite hard coat layer
    • 含氟苯乙酮衍生物,与光引发剂相同的表层材料,复合硬涂层的制品和复合硬涂层的形成方法
    • US07012160B2
    • 2006-03-14
    • US10793268
    • 2004-03-05
    • Naoki HayashidaKazushi Tanaka
    • Naoki HayashidaKazushi Tanaka
    • C07C49/76C07C233/00B05D1/02B32B5/16G02C7/04
    • C07C69/708C07C69/63Y10T428/25Y10T428/252Y10T428/259
    • The present invention provides a new fluorine-containing acetophenone derivative useful as a photo initiator, and a surface layer material containing the fluorine-containing acetophenone derivative. The present invention provides inexpensively an article with a hard coat excellent in anti-staining property, lubricity, scratch resistance and abrasion resistance, and provides a method for forming the hard coat. A fluorine-containing acetophenone derivative represented by the following general formula (I): wherein R1, R2 and R3 each independently represent an organic group other than aryl group, a hydrogen atom, a halogen atom or a hydroxyl group, provided that the following case does not take place: all of R1, R2 and R3 are simultaneously hydrogen atoms; and any two of R1, R2 and R3 may be linked to each other to form a ring, and R4 represents a fluorine-containing organic group. Hard coat layer 2 is formed to contact a surface of an article, and a fluorine-containing surface layer 3 using the compound is formed to contact a surface of the hard coat layer 2.
    • 本发明提供可用作光引发剂的新的含氟苯乙酮衍生物和含有含氟苯乙酮衍生物的表层材料。 本发明廉价地提供了具有优异的抗污染性,润滑性,耐擦伤性和耐磨性的硬涂层的制品,并且提供了形成硬涂层的方法。 由以下通式(I)表示的含氟苯乙酮衍生物:其中R 1,R 2和R 3各自独立地表示 除了芳基以外的有机基团,氢原子,卤素原子或羟基,条件是不发生以下情况:R 1,R 2, R 3和R 3同时为氢原子; 并且R 1,R 2和R 3中的任何两个可以彼此连接形成环,并且R 4 表示含氟有机基团。 形成硬涂层2与制品的表面接触,并且使用该化合物的含氟表面层3形成为与硬涂层2的表面接触。
    • 10. 发明申请
    • Methods for producing optical recording medium and optical recording medium
    • 光记录介质和光记录介质的制造方法
    • US20050248881A1
    • 2005-11-10
    • US11101423
    • 2005-04-08
    • Naoki HayashidaKazushi Tanaka
    • Naoki HayashidaKazushi Tanaka
    • G11B5/74G11B7/243G11B7/253G11B7/254G11B7/26
    • G11B7/266G11B7/243G11B7/253G11B7/254Y10T428/21
    • The present invention provides a method for producing an optical recording medium having: a supporting substrate; a light transmission layer, which transmits a laser beam; and an information layer formed between the supporting substrate and the light transmission layer, which includes: applying a resin composition on the information layer by a spin coating method to form a coating film, wherein the resin composition contains, as main components: (A) a radical-curing urethane(meth)acrylate, which is obtained by reacting (a-1) a compound having three or more isocyanate groups binding to an aliphatic carbon atom per one molecule thereof and (a-2) a polycaprolacton-modified hydroxyethyl(meth)acrylate; and (B) a radical-curing monomer having a viscosity of 400 mPa.s or less at 25° C., curing the coating film by irradiating the coating film with an ultraviolet light or an electron beam to form the light transmission layer.
    • 本发明提供一种光记录介质的制造方法,其具有:支撑基板; 传输激光束的光透射层; 以及形成在所述支撑基板和所述透光层之间的信息层,其包括:通过旋涂法在所述信息层上涂布树脂组合物以形成涂膜,其中所述树脂组合物含有作为主要成分的主要成分:(A) 通过使(a-1)具有三个以上与每一分子中的脂肪族碳原子结合的异氰酸酯基的化合物与(a-2)聚己内酯改性的羟乙基(A-1)反应而得到的自由基固化性氨基甲酸酯(甲基) 甲基)丙烯酸酯; 和(B)在25℃下粘度为400mPa.s以下的自由基固化性单体,通过用紫外线或电子束照射该涂膜使该涂膜固化,形成透光层。